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65085441 = 3199910853
BaseRepresentation
bin1111100001001…
…0000000000001
311112110200102220
43320102000001
5113130213231
610243001253
71420134321
oct370220001
9145420386
1065085441
1133814723
1219969229
131063a8c5
148903281
155aa9896
hex3e12001

65085441 has 8 divisors (see below), whose sum is σ = 86832000. Its totient is φ = 43364592.

The previous prime is 65085439. The next prime is 65085443. The reversal of 65085441 is 14458056.

It is an interprime number because it is at equal distance from previous prime (65085439) and next prime (65085443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65085441 - 21 = 65085439 is a prime.

It is a super-2 number, since 2×650854412 = 8472229260328962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65085443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571 + ... + 11423.

It is an arithmetic number, because the mean of its divisors is an integer number (10854000).

It is a Proth number, since it is equal to 7945 ⋅ 213 + 1 and 7945 < 213.

Almost surely, 265085441 is an apocalyptic number.

It is an amenable number.

65085441 is a deficient number, since it is larger than the sum of its proper divisors (21746559).

65085441 is a wasteful number, since it uses less digits than its factorization.

65085441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 65085441 is about 8067.5548340250. The cubic root of 65085441 is about 402.2486704315.

The spelling of 65085441 in words is "sixty-five million, eighty-five thousand, four hundred forty-one".

Divisors: 1 3 1999 5997 10853 32559 21695147 65085441